Sulfur hexafluoride, now that’s a mouthful. It sure is! It’s more commonly known as SF6 or deep voice gas because, well, it makes your voice deeper! But...
Imagine your bedroom infested with these tiny bugs. But, what if they were the same size as us? How much blood would a giant bed bug drink? How fast could they take over...
Today on What If, we’re taking Jupiter’s deadly gases and unleashing them on Earth. Where could you be safe from these toxic winds? How would you breathe...
12. THE SUN IS A GIANT BALL OF FIRE Did you know that the Sun isn’t really on fire? No. Our Sun isn’t a raging bonfire in the center of the Solar System...
Do you long for an elegant weapon from a more civilized age? Something less clumsy and random. As you hone your sensitivity to the Force, you may wonder. What if...
Contrary to what some people think, the Earth isn’t the center of the Universe. But what if it was? What if those medieval astronomers were right, and everything...
Imagine if one day you looked up into the night sky, and saw Mars or Saturn where the Moon was supposed to be. That would sure turn our Earth into an alien world. And...
Scroll down to watch our video. The Moon’s surface is made up of long-dead volcanoes and impact craters from asteroids. But have you ever wondered what might be...
With so many amazing things happening in the world today, what could possibly go wrong? Well… A giant asteroid is barrelling on a collision course with Earth, and...
This is the Mariana Trench, the deepest place on Earth. It stretches 11km (7 mi) down below sea level. But what if we made it even deeper? Get a giant drill because...
When I started this YouTube channel, I became fixated on the day it would succeed. I stopped going out with friends and spent every waking moment working toward, and...
The Middle Ages, a time when you were more likely to die on the toilet than take a bath. And now you’re going there with an educational mission. It’s up to...
Obviously, we can't just pack our stuff and move there today. But what if we terraformed it - reshaped it into an Earth's image?
As thrill-seekers, we like to do a lot of extreme, gravity-defying stunts to push our limits. If base jumping or caving is your thing, how about taking a tumble all the...
Watch your head. Some seriously big asteroids are crashing into Earth. What kinds of shapes and sizes do they have? Which ones would have the deadliest impact? And which...
Do you love Jupiter? Do you love it so much that you could look at it every day? I hope so. Because it just took the Moon’s place, and Earth will never be the same...
Nearly 800 million light-years away, something has been forming. Scientists aren’t exactly sure what it is but have dubbed it ‘the black neutron star.’...
The current coronavirus crisis is a difficult time for all of us. We want you, our fans and your loved ones, to be informed about the coronavirus and what you can do to...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Ready to have your mind blown? The Earth does not orbit the Sun… Technically speaking. Everything in space, Sun...
With nearly eight billion people on the planet, things can feel pretty crowded. Let’s make things a bit tighter by housing every single person on Earth in one giant...
